WIELAND-WERKE AG

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F28F DETAILS OF HEAT-EXCHANGE OR HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION 2827
 
  
 
C22C ALLOYS 1557
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM8149
 
  
 
B21C MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL714
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 650
 
  
 
C22F CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS OR NON-FERROUS ALLOYS 631
 
  
 
F16C SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS 466
 
  
 
B21B ROLLING OF METAL 329
 
  
 
B21H MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS 35
 
  
 
B22D CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES 346

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0204,501 ELECTRICAL CONNECTION ELEMENTAug 29, 15Jul 20, 17[C22F, C22C]
2016/0079,837 SQUIRREL-CAGE ROTORAug 18, 15Mar 17, 16[H02K]
2014/0285,058 SQUIRREL CAGE ROTOR AND INDIVIDUAL PARTS THEREOF AND METHOD FOR PRODUCING A SQUIRREL CAGE ROTORMar 24, 14Sep 25, 14[H02K]
2011/0203,831 METAL/CNT AND/OR FULLERENE COMPOSITE COATING ON STRIP MATERIALSSep 03, 09Aug 25, 11[C23C, C25D, B05D, B82Y, H01B, B32B, B01D]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9909819 Evaporator tube having an optimised external structureJan 26, 17Mar 06, 18[F28D, F28F]
9844807 Tube with fins having wingsApr 16, 08Dec 19, 17[F28F, B21C]
9738961 Copper-nickel-zinc alloy containing siliconSep 28, 16Aug 22, 17[B21K, C22F, B22D, B21C, C21D, C22C]
9702027 Copper alloyJun 15, 12Jul 11, 17[A01K, C22C]
9644900 Evaporation heat transfer tubeNov 06, 13May 09, 17[F28F]
9637808 Refill for a ball-point pen and use thereofMay 15, 14May 02, 17[B43K, C22F, C22C]
9617629 Copper-nickel-zinc alloy containing siliconFeb 08, 13Apr 11, 17[B21K, C22F, B22D, B21C, C21D, C22C]
9618279 Evaporator tube having an optimised external structureNov 21, 12Apr 11, 17[F28D, F28F]
9541336 Evaporation heat transfer tube with a hollow cavityNov 06, 13Jan 10, 17[F28F]
9493858 Copper alloyJun 15, 12Nov 15, 16[C22C]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0273,840 TUBE HEAT EXCHANGER WITH OPTIMIZED THERMO-HYDRAULIC CHARACTERISTICSAbandonedFeb 18, 14Sep 22, 16[F28F]
2015/0182,987 MOVABLE MASK FOR A THERMAL AND/OR KINETIC COATING SYSTEMAbandonedJul 10, 13Jul 02, 15[B05C, B05D]
2015/0165,519 SHAPED PARTS MADE FROM CORROSION-RESISTANT COPPER ALLOYSAbandonedJun 13, 13Jun 18, 15[B22D, C22F, C22C]
2014/0014,239 COPPER ALLOY CONTAINING COBALT, NICKEL AND SILICONAbandonedApr 17, 13Jan 16, 14[C22F]
2013/0004,752 METHOD FOR APPLYING CARBON/TIN MIXTURES TO METAL OR ALLOY LAYERSAbandonedOct 01, 10Jan 03, 13[B05D, B82Y, H01B, B32B]
2012/0298,183 PHOTOVOLTAIC MODULE HAVING A PHOTOACTIVE LAYER OR SOLAR COLLECTOR HAVING AN SOLAR ABSORBERAbandonedFeb 08, 11Nov 29, 12[H01L]
8298681 Extrusion billetExpiredJul 09, 07Oct 30, 12[B21C, B22D]
2012/0258,809 COPPER-TIN MULTICOMPONENT BRONZE CONTAINING HARD PHASES, PRODUCTION PROCESS AND USEAbandonedApr 05, 12Oct 11, 12[B21H, C22F, B22D, C22C]
2012/0077,017 PROCESS FOR PRODUCING A METAL MATRIX COMPOSITE MATERIALAbandonedMay 27, 10Mar 29, 12[C23C, B82Y, H01B, B32B]
2011/0206,946 METHOD FOR PRODUCING A CARBON NANOTUBE-, FULLERENE- AND/OR GRAPHENE-CONTAINING COATINGAbandonedSep 03, 09Aug 25, 11[B05D, B82Y, B32B]
7992299 Method for the economical production of heat exchanger tubes bent in a u-shapeExpiredOct 30, 03Aug 09, 11[B23P, B21D]
2010/0218,893 METHOD FOR THE PRODUCTION OF A METALLIC LINE PIPE WITH A FIRMLY ADHERING PLASTIC SHEATHINGAbandonedDec 01, 07Sep 02, 10[B29C]
2010/0091,463 COOLING BODYAbandonedApr 23, 08Apr 15, 10[H01L, H05K]
7686899 Process for producing a sliding bearing with a sliding surface, consisting of a copper multicomponent alloyExpiredMar 30, 06Mar 30, 10[F16C]
2009/0317,290 Multicomponent Copper Alloy and Its UseAbandonedApr 26, 07Dec 24, 09[C22C]
2009/0301,701 Use of a Heat Exchanger TubeAbandonedMar 17, 07Dec 10, 09[C09K, F25B, F28F]
2009/0236,083 Heat Exchanger for Small ComponentsAbandonedJun 16, 06Sep 24, 09[F28F]
2009/0183,803 COPPER-NICKEL-SILICON ALLOYSAbandonedDec 17, 08Jul 23, 09[C22F, C22C]
7504160 Sliding body and process for producing a sliding body, and its useExpiredSep 15, 05Mar 17, 09[B32B]
2009/0022,620 Copper-zinc alloy, production method and useAbandonedJun 25, 08Jan 22, 09[C22F, B21C, C22C]

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